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Gold medalist Florian Wellbrock (Bottom) of Germany competes during the men's 1500m freestyle final at the Gwangju 2019 FINA World Championships in Gwangju, South Korea, on July 28, 2019. (Xinhua/Bai Xuefei)
Gold medalist Florian Wellbrock (Bottom) of Germany competes during the men's 1500m freestyle final at the Gwangju 2019 FINA World Championships in Gwangju, South Korea, on July 28, 2019. (Xinhua/Bai Xuefei)